Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 180mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke180 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30
The AirTAC SAIJ100X180-30 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 180 mm stroke that can be fine-tuned down by up to 30 mm, yielding a usable travel window of 150-180 mm. This allows precise end-position calibration during commissioning without swapping hardware. The 100 mm bore delivers 5497 N of push force at 0.7 MPa, making it suited for heavy-duty positioning tasks.
Built with an extruded aluminum barrel and sensor grooves on both sides, this unit omits the magnet option. It features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads. The rear adjuster acts purely as a travel stop for deceleration, meaning it will not hold a load without continuous live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 180 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×180 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 Is Used
Heavy-Duty Forming Stops
Dial in the exact 150-180 mm crush depth for metal bending or pressing operations, allowing operators to adapt end positions for different material thicknesses without changing the cylinder.
Product Diversion Gates
Adjust the retract distance on sorting conveyors to accommodate varying package sizes on the fly, ensuring precise routing without repositioning the entire actuator assembly.
Machine Changeover
Speed up production line format changes by using the rear stopper to set new end-of-stroke limits for different product runs, minimizing downtime and avoiding external stop hardware.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 the Right Cylinder?
Select this 100 mm bore cylinder when an application requires substantial force—such as 5497 N at 0.7 MPa—along with variable end-stops for product changeovers. If your setup demands less thrust, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa, whereas moving up to a 125 mm bore provides 8590 N. Choose the SAIJ adjustable format over the fixed-stroke SAI when you need on-the-fly mechanical tuning rather than relying on external stops.
For a direct ISO 15552 replacement match, ensure your specifications align with a 100 mm bore, 180 mm stroke, 30 mm adjustment range, PT port threads, and no magnet. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is 180 mm, standard side-load precautions apply, though the robust 25 mm rod helps manage moderate bending moments.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX180-30 FAQ
At a 0.7 MPa operating pressure, this 100 mm bore cylinder provides 5497 N of push force and 5184 N of pull force. At the maximum 1.0 MPa pressure, it achieves a push force of 7854 N.
The rear adjuster screw allows you to shorten the 180 mm nominal stroke by up to 30 mm, creating a 150-180 mm travel window. This stopper only sets the end position and does not lock the load without live air pressure.
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